From cf5626358089a12d8c4398bcc2053e2871985b79 Mon Sep 17 00:00:00 2001
From: spiritLHLS <103393591+spiritLHLS@users.noreply.github.com>
Date: Mon, 10 Apr 2023 14:34:28 +0800
Subject: [PATCH] Update build_nat_network.sh

---
 build_nat_network.sh | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/build_nat_network.sh b/build_nat_network.sh
index 26c45df..30fbebf 100644
--- a/build_nat_network.sh
+++ b/build_nat_network.sh
@@ -55,12 +55,13 @@ iface vmbr1 inet static
 EOF
 fi
 
-# 加载iptables并设置回源
+# 加载iptables并设置回源且允许NAT端口转发
 if ! command -v iptables &> /dev/null; then
     green "iptables 未安装，正在安装..."
     apt-get install -y iptables
 fi
 iptables -t nat -A POSTROUTING -j MASQUERADE
+sysctl net.ipv4.ip_forward=1
 
 # 重启配置
 service networking restart